Gemfile.lock in iso-bib-item-0.1.10 vs Gemfile.lock in iso-bib-item-0.1.11

@@ -1,28 +1,27 @@
 PATH
   remote: .
   specs:
-    iso-bib-item (0.1.9)
-      duplicate
+    iso-bib-item (0.1.11)
       isoics (~> 0.1.6)
-      nokogiri
+      nokogiri (~> 1.8.4)
+      ruby_deep_clone (~> 0.8.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     byebug (10.0.2)
     coderay (1.1.2)
     diff-lcs (1.3)
     docile (1.3.1)
-    duplicate (1.1.1)
     equivalent-xml (0.6.0)
       nokogiri (>= 1.4.3)
     isoics (0.1.6)
     json (2.1.0)
     method_source (0.9.0)
     mini_portile2 (2.3.0)
-    nokogiri (1.8.3)
+    nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     pry-byebug (3.6.0)
@@ -40,9 +39,10 @@
       rspec-support (~> 3.7.0)
     rspec-mocks (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
     rspec-support (3.7.1)
+    ruby_deep_clone (0.8.0)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)